G59 Professional Services is the leading provider of independent G59 and DSR support services to UK Blue Chip companies.  Our team of Chartered Electrical Engineers help our customers navigate the difficult process of obtaining G59/3 approval for their proposed DRS schemes using existing generator or new battery assets.

Our services include; site surveys, the G59/3 application process with the DNO’s, independent financially modelling of the scheme, project specification, project management and G59/3 testing and approval.

We know that this process can be extremely daunting and time consuming – our mission is to take away the strain and hassle from customers and provide them with the confidence that their DSR scheme and G59/3 application is being handled by professionals.

British Independent Utilities (BIU) is the UK’s leading energy and utility consultancy, providing a full energy and utility consultancy service to help some of the world’s leading organisations drive down costs and improve energy efficiency. Our unique technology provides customers with the content they want, wrapped in the controls they need, 24 hours a day with unrivalled consistency.

Our mission is to continue to provide a professional and excellent utility management service to all our clients.  We aim to achieve sustainable and holistic growth and develop successful business relationships through professional integrity, innovation, mutual trust and respect, moulded by a set of core values that will be demonstrated by all the BIU team. We believe that it’s not what we do differently at BIU that sets us apart from the competition, but how we do it better.

EnerNOC is the pioneer and world-leading provider of demand side response (DSR) technology and services. Our customers maximise their DSR performance using our energy intelligence software (EIS), which allows them to monitor their real-time energy consumption during a DSR event and provides a central location to track and manage DSR payments. Our customers around the globe are supported by local account management teams, proven world-class professional solutions, and a 24x7x365 multilingual Network Operations Centre (NOC) in Dublin, Ireland. For more information, visit

REstore is a demand-side response aggregator with operations across Northern Europe as well as the UK.

Its proprietary technology platform is called Flexpond, which it developed to turn demand response into a virtual open cycle gas turbine.

With offices in the UK and in Belgium, REstore currently offers balancing capacity to Elia, EDF and National Grid.

With a strong large industrial client-base, the company is now increasing its UK focus on the industrial and commercial market.